How far can a President go against the wishes of Congress by using an executive order? Back on this day in 1908, President Theodore Roosevelt tested his constitutional powers by protecting the Grand Canyon using a legal loophole.

In this commentary, David A. Drachsler, a former Labor Department attorney and past vice chairman of the Virginia Council on Human Rights, clarifies some statements made at a recent National Constitution Center event.

Richard Nixon was one of the best-known American politicians of the 20th century’s second half, and one of the most controversial. So how much do you know about the 37th President on the occasion of his 102nd birthday?

As the Supreme Court meets in a private conference Friday morning to decide if it will clarify its June 2013 ruling on same-sex marriages, Constitution Daily looks at the five cases in front of the Justices.

On January 9, 1776, the publication of Thomas Paine’s Common Sense became the first viral mass communications event in America, an event so big that it still rivals today’s blockbuster movies and books.

Lyle Denniston, the National Constitution Center’s constitutional literacy adviser, looks at the continuing impasse over closing the war-on-terrorism detention facility at Guantanamo Bay and how powerful Congress can be when it uses its generally worded authority.

Michael Gerhardt from the University of North Carolina School of Law and Clark Neily from the Institute for Justice join our Jeffrey Rosen to discuss a timeless topic among constitutional law scholars: When is it appropriate for the courts to strike down laws passed by a legislature?

The United States Supreme Court resumes business later this month, with some high-profile cases on its docket. But the cases that aren’t making headlines are some of the most interesting in front of the Justices.